The Keck Telescope has a diameter of 10.0 m. When it is looking at Mars, 7.38.1010 m from us, how far apart are the closest objects it could possibly resolve? Assume the light has wavelength 633 nm.

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?

Select all the correct answers. which three statements about electromagnetic radiation are true?